Doxygenize the documentation comments
There were many // comment used to document classes, functions etc. but
those are not picked up by doxygen which expects /// comments. This
converts many comments from // to /// in order to improve the generated
documentation.
BUG=
R=jvoung@chromium.org, kschimpf@google.com
Review URL: https://codereview.chromium.org/1216963007.
diff --git a/src/IceTargetLoweringX8664.cpp b/src/IceTargetLoweringX8664.cpp
index 21be080..f2be0c1 100644
--- a/src/IceTargetLoweringX8664.cpp
+++ b/src/IceTargetLoweringX8664.cpp
@@ -6,9 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-//
-// Implements the Target Lowering for x86-64.
-//
+///
+/// \file
+/// Implements the Target Lowering for x86-64.
+///
//===----------------------------------------------------------------------===//
#include "IceDefs.h"
